//
//  JHNetworkManager+Extension.swift
//  Weibo_SwiftDemo
//
//  Created by gjh on 2021/1/1.
//

import Foundation

// MARK: - 封装微博网络请求方法
extension JHNetworkManager {
    
    /// 加载微博数据字典数组
    /// - Parameters:
    ///   - since_id: 返回ID比since_id大的微博（即比since_id时间晚的微博），默认为0
    ///   - max_id: 返回ID小于或等于max_id的微博，默认为0。
    ///   - completion: 完成回调[微博字典数组/是否成功
    func statusList(since_id: Int64 = 0,max_id: Int64 = 0, completion: @escaping([[String: Any]]?, Bool) -> ()) {
        // 用网络工具加载微博数据
        let urlString = "https://api.weibo.com/2/statuses/home_timeline.json"
        
        // 上拉/下拉刷新
        let params = ["since_id": "\(since_id)",
                      "max_id": "\(max_id > 0 ? max_id - 1 : 0  )"]
        
        tokenRequest(URLString: urlString, parameters: params) { (json, isSuccess) in
            // 从 json 中获取statuses字典数组
            let result = json?["statuses"] as? [[String: Any]]
            
            completion(result, isSuccess)
        }
    }
    
    /// 返回微博的未读数量     -- 定时刷新,不需要提示是否失败
    func unreadCount(completion: @escaping(Int) -> ()) {
        guard let uid = userAccount.uid else {
            return
        }
        
        let urlString = "https://api.weibo.com/2/remind/unread_count.json"
        
        let params = ["uid": uid]
        
        tokenRequest(URLString: urlString, parameters: params) { (json, isSuccess) in
            
            let dict = json
            let count = dict?["status"] as? Int
                        
            completion(count ?? 0)
        }
    }
}
// MARK: - 用户信息
extension JHNetworkManager {
    // 加载用户信息
    func loadUserInfo(completion: @escaping([String: AnyObject]) -> ()) {
        guard let uid = userAccount.uid else { return }
        let urlString = "https://api.weibo.com/2/users/show.json"
        let params = ["uid": uid]
        // 发起网络请求
        tokenRequest(URLString: urlString, parameters: params) { (json, isSuccess) in
            completion(json as [String: AnyObject]? ?? [:])
        }
    }
}

// MARK: - OAuth相关方法
extension JHNetworkManager {
    // 加载AccessToken
    // 提问:异步应该返回什么  --- 需要什么返回什么
    func loadAccessToken(code: String, completion: @escaping(Bool) -> ()) {
        let urlString = "https://api.weibo.com/oauth2/access_token"
        
        let params = ["client_id": JHClientID,
                      "client_secret": JHAppSecret,
                      "grant_type": "authorization_code",
                      "code": code,
                      "redirect_uri": JHRedirectURI,]
        request(method: .POST, URLString: urlString, parameters: params) { (json, isSuccess) in
            print(json ?? "没有拿到 token")
            // 如果请求失败, 对用户账户数据不会产生任何影响
            // 直接用字典设置userAccount 属性
            self.userAccount.yy_modelSet(withJSON: json as Any)
            
            // 加载当前用户信息
            self.loadUserInfo { (dict) in
                // 使用用户信息字典设置用户账户信息(昵称和头像地址)
                self.userAccount.yy_modelSet(with: dict)
                // 保存模型
                self.userAccount.saveAccount()
                print(self.userAccount)
                // 用户信息加载完成再完成回调
                completion(isSuccess)
            }
        }
    }
}
